// Tests reading and writing of a single long variant from and to binary files
TEST_F(TestVariant, FileIOBinaryIOMultipleTypes) {
BinaryFileStream stream;
// Values we'll be testing for
long value1 = 123;
std::string value2 = "test";
auto value3 = nullptr;
// Initialize variants
Variant variant1(value1);
Variant variant2(value2);
Variant variant3(value3);
// Open stream for writing
stream.open(filename, std::ios::out);
// Write variants
stream << variant1;
stream << variant2;
stream << variant3;
// Close stream
stream.close();
// Open stream for reading
stream.open(filename, std::ios::in);
// Initialize a final variant for storage of data read from the stream
Variant variant("a value that must not conflict with the tests");
stream >> variant;
EXPECT_EQ(variant, value1);
stream >> variant;
EXPECT_EQ(variant, value2);
stream >> variant;
EXPECT_EQ(variant, value3);
// Lets make sure this was all the data. We need to read again to set the
// EOF bit
char tc;
EXPECT_FALSE(stream.get(tc));
// Ensure EOF
EXPECT_TRUE(stream.eof());
// Close stream
stream.close();
}
